A Midwestern Beauty: Multi-Wave Calcite Crystals, Sweetwater Mine, Reynolds County, Missouri

24.8.2016

 

This is a cluster of milky white calcite crystals from the Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds Co., Missouri, that shows a spectacular multi-colored fluorescent response under all UV wavelengths.  Under short wave UV (254nm) the calcite fluoresces red, but shows a bright saturated orange response under mid wave UV (302nm), and a pink/magenta response under long wave UV (365nm).  54.1 x 40.8 x 35.8 mm, 52 grams.

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